by Diane Richardson $7.00
by Prof. Dr. Oemar Hamalik $7.00
by Vincent Gaspersz $9.00
by Arief, Sritua dan Adi Sasono $5.00
by Squire, Lyn $6.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $7.00